Fort Smith
Arkansas, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Fort Smith, AR

January, the same as December, in Fort Smith, Arkansas, is a frosty winter month, with temperature in the range of an average high of 49.8°F (9.9°C) and an average low of 28.9°F (-1.7°C).

Temperature

With an average high-temperature of 49.8°F (9.9°C) and an average low-temperature of 28.9°F (-1.7°C), January is the coldest month.

Humidity

The average relative humidity in Fort Smith is 69.5%.

Rainfall

In Fort Smith, during January, the rain falls for 7.5 days and regularly aggregates up to 2.8" (71.4mm) of precipitation. Throughout the year, in Fort Smith, there are 98.2 rainfall days, and 45.5" (1154.7mm) of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall in Fort Smith. January is the month with the most snowfall. Snow falls for 1.1 days and accumulates 2.4" (61mm) of snow.

Daylight

The average length of the day in Fort Smith is 10.1h.

Sunshine

The average sunshine in Fort Smith, Arkansas, is 5.6h.

UV index

In Fort Smith, Arkansas, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the ordinary person.
The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the coldest month in Fort Smith?

With an average high-temperature of 49.8°F (9.9°C) and an average low-temperature of 28.9°F (-1.7°C), January is the coldest month in Fort Smith, Arkansas.

What is the temperature in January in Fort Smith?

The average high-temperature, in January, is 49.8°F (9.9°C), while the average low-temperature is 28.9°F (-1.7°C).

What is the average humidity in January in Fort Smith?

The average relative humidity in January is 69.5%.

How much does it rain in Fort Smith in January?

In Fort Smith, during January, the rain falls for 7.5 days and regularly aggregates up to 2.8" (71.4mm) of precipitation.

How much does it snow in Fort Smith in January?

In Fort Smith, during January, snow falls for 1.1 days and regularly aggregates up to 2.4" (61mm) of snow.

When does it snow the most in Fort Smith?

January is the month with the most snowfall. Snow falls for 1.1 days and accumulates 2.4" (61mm) of snow.

How many hours of daylight does Fort Smith have in January?

In Fort Smith, Arkansas, the average length of the day in January is 10.1h.

How many hours of sunshine does Fort Smith have in January?

The average sunshine in January in Fort Smith is 5.6h.

How high is the UV index in January in Fort Smith?

In January, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in January - Fort Smith, AR
  • Average high temperature in January: 49.9°F

The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (49.9°F).

  • Average low temperature in January: 29°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (29°F).

Average humidity in January - Fort Smith, AR
  • Average humidity in January: 69.5%

The month with the highest relative humidity is September (71.8%).
The month with the lowest relative humidity is April (63.8%).

Average rainfall in January - Fort Smith, AR
  • Average rainfall in January: 2.8"

The wettest month (with the highest rainfall) is May (5.5").
The driest month (with the lowest rainfall) is August (2.6").

Average rainfall days in January - Fort Smith, AR
  • Average rainfall days in January: 7.5 days

The month with the highest number of rainy days is May (10.7 days).
The month with the lowest number of rainy days is August (6.3 days).

Average snowfall in January - Fort Smith, AR
  • Average snowfall in January: 2.4"

The month with the highest snowfall is January (2.4").
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in January - Fort Smith, AR
  • Average snowfall days in January: 1.1 days

The month with the highest number of snowfall days is January (1.1 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in January / Average sunshine in January - Fort Smith, AR
  • Average daylight in January: 10.1h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in January: 5.6h

The month with most sunshine is July (Average sunshine: 10.6h).
The month with least sunshine is December (Average sunshine: 5h).

Average UV index in January - Fort Smith, AR
  • Average UV index in January: 3

Months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).